The SPECTRA PREMIUM INDUSTRIES, INC. GM25C is a 40-gallon fuel tank engineered for heavy-duty applications, featuring a pan-in-tank fuel delivery system. This design integrates the fuel pump and sender assembly directly within the tank, streamlining the fuel delivery process and enhancing system reliability. Constructed from OE-approved Ni Terne steel, the tank offers superior corrosion resistance, ensuring longevity and consistent performance in demanding environments. The tank's dimensions—35 inches in length, 28-3/4 inches in width, and 13-1/8 inches in height—are optimized for a precise fit in compatible vehicles, facilitating straightforward installation. The inclusion of the LO01 lock ring kit ensures a secure and leak-resistant connection between the tank and the fuel system. This comprehensive design addresses common operational challenges by providing a durable and efficient fuel storage solution, thereby reducing maintenance needs and downtime for fleet operations.